0.0.14

Added

• Navigation can be configured now. But it's still automatic by default
• Navigation can be nested one level deep
• A cheat sheet, run bin/rails super:cheat

Changed

• Upgraded to Tailwind v2.1.1. This drops support for IE 11. Note that I'm still
  on v1 colors.

Fixed

• Super::Assets.use_sprockets. It does what it says it does now. It used to do
  nothing
• Handling of prerelease versions of Sprockets and Webpacker
• Support for Webpacker v6.0.0.beta6